GCLiPP: global crosslinking and protein purification method for constructing high-resolution occupancy maps for RNA binding proteins

Autor: Wandi S. Zhu, Adam J. Litterman, Harshaan S. Sekhon, Robin Kageyama, Maya M. Arce, Kimberly E. Taylor, Wenxue Zhao, Lindsey A. Criswell, Noah Zaitlen, David J. Erle, K. Mark Ansel
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Genome Biology, Vol 24, Iss 1, Pp 1-30 (2023)
Druh dokumentu: article
ISSN: 1474-760X
DOI: 10.1186/s13059-023-03125-2
Popis: Abstract GCLiPP is a global RNA interactome capture method that detects RNA-binding protein (RBP) occupancy transcriptome-wide. GCLiPP maps RBP-occupied sites at a higher resolution than phase separation-based techniques. GCLiPP sequence tags correspond with known RBP binding sites and are enriched for sites detected by RBP-specific crosslinking immunoprecipitation (CLIP) for abundant cytosolic RBPs. Comparison of human Jurkat T cells and mouse primary T cells uncovers shared peaks of GCLiPP signal across homologous regions of human and mouse 3′ UTRs, including a conserved mRNA-destabilizing cis-regulatory element. GCLiPP signal overlapping with immune-related SNPs uncovers stabilizing cis-regulatory regions in CD5, STAT6, and IKZF1.
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